الفهرس 
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Abstract
Surface Acoustic Wave (SAW) transversal filters offer a high degree of flexibility for the realization of VHF and UHF linear Frequency Modulated pulse compression filters as well as a variety of other devices, which play an important role in micro-miniature-electronic and thin film technology specially in Radar and Communication signal processing systems. They are small, reproducible, and low cost in mass production. Design implementation is straightforward and is usually computer aided. High performance can be obtained by weighting both input and output transducers.
The main purpose of this thesis is based on the investigation of VHF linear FM pulse compression filters - having low and high time bandwidth products - as well as smoothing the Fresnel ripples of VHF linear FM spectrum and sidelobe suppression of the output waveforms.
The thesis contains, in chapters I and 11, a survey of the previous work in this field with emphasis on the available several interdigital transducer models and the different methods of design for them. T;iu, a is also a complete study for the second order effects using different devices on different substrates. The input admittance and the transfer function of equivalent circuit mixed field model characterization of dispersive interdigital transducer with nonuniform spacing are analyzed.
In chapter III, the frequency spectrum performance (transfer func¬tions and insertion loss) of high time bandwidth product (TB = 720) are